Click 'Monthly Closing' in main navigation bar to open Monthly Closing page/list.

On the Monthly Closing List Page, Click options icon(...) on the row you want to execute Monthly Closing on.

Click on monthly closing as shown in image.

Tick the Closing Flag Checkbox On the top right area of page that opens after clicking Monthly Closing button.

Navigate towards the bottom of the page and click on 'Confirm Closing' button to execute monthly closing.

The blue cross in closing status column indicates that monthly closing of that row is executed.